The secret of how to get to the top of the world’s largest companies is, it seems, not to go to Harvard. Or to Yale, Oxford or Cambridge — at least, not for your first degree.

Most leaders of the world’s biggest businesses do not have a bachelor’s degree from one of the highest ranking universities, a new analysis shows.

Of the chief executives of the 500 largest corporations, only 25 were undergraduates at Harvard, 13 went to the University of Tokyo, 12 to École Polytechnique in Paris and 11 to Stanford. Oxford has 5 graduates among them and Cambridge 3